Mounting and Wiring
Signal Wiring
28 UMC800 Controller Installation and User Guide Release F
4/01
Digital inputs
Three types of Digital Input (DI) modules accept four types of input signals.
1. Logic Input (Module ID 3 and B)
2. DC Input (Module ID 4)
3. AC Input (Module ID 5)
4. Pulse/Frequency Input (Module ID D)
Each type is described on the following pages. Figure 16 shows the terminal block connections for all DI
modules. See Specifications section for details on all I/O module specifications.
ATTENTION
16 Point Digital Input module (ID B) has 32 terminals. If you are using 2 wires per DI, use 22
gage wires so all 32 wires can fit through the rubber grommet in the controller case. See
Figure 16.
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